manuscripta mathematica · 2015 · 19 citations · 25 references
ComputingComputational EngineeringOptimizationBoundary ConditionsError EstimationGradient-based OptimizationPartial Differential EquationsWeak FormulationQuasi-linear TheoryQuasilinear TheoryRegularity Theory
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Quasiconformal mappings and extendability of functions in sobolev spaces
Peter W. Jones · Acta Mathematica · 1981 · 562 citations · Full text
Charles Fefferman · Bulletin of the American Mathematical Society · 1983 · 547 citations · Full text